Alfa Aesar

Reagents, M, Alfa Aesar

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  • Mercury(I) chloride, 99.5%

    Alfa Aesar

    Synonym(s): Mercury subchloride, Calomel Formula: Hg2Cl2 Formula weight: 472.09 Purity: 99.5% CAS Number: 10112-91-1 UN Number: UN2025 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2852.10 Hazard Statements: H302-H315-H319-H335 Harmful if swallowed.…

  • Mercury(II) potassium iodide

    Alfa Aesar

    Formula: HgI4K2 Formula weight: 786.40 CAS Number: 7783-33-7 UN Number: UN2025 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2852.10 Hazard Statements: H300-H310-H330-H373 Fatal if swallowed. Fatal in contact with skin. Fatal if inhaled. May cause damage to…

  • Methyltri-n-butylammonium bromide, 98%

    Alfa Aesar

    Synonym(s): Tri-n-butylmethylammonium bromide Formula: [CH3(CH2)3]3NCH3Br Formula weight: 280.29 Purity: 98% CAS Number: 37026-88-3 Harmonized Tariff Code:  2923.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory…

  • Methyl 4-methylsalicylate, 98+%

    Alfa Aesar

    Synonym(s): Methyl 4-methylsalicylic acid methyl ester, Methyl 2-hydroxy-4-methylbenzoate Formula: C9H10O3 Formula weight: 166.18 Purity: 98+% CAS Number: 4670-56-8 Harmonized Tariff Code:  2918.23 Risk Phrases: 36/37/38 Irritating to eyes, respiratory system and skin. Safety…

  • Molecular sieves, 5A, 3-5mm (0.12-0.20in) beads

    Alfa Aesar

    CAS Number: 69912-79-4 Harmonized Tariff Code:  3824.90

  • 2-Mercaptobenzothiazole, 97%

    Alfa Aesar

    Synonym(s): Benzothiazole-2-thiol Formula: C7H5NS2 Formula weight: 167.25 Purity: 97% CAS Number: 149-30-4 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2934.20 Hazard Statements: H302-H317 Harmful if swallowed. May cause an allergic skin…

  • Manganese(III) oxide, 98%

    Alfa Aesar

    Synonym(s): Manganese sesquioxide Formula: Mn2O3 Formula weight: 157.86 Purity: 98% CAS Number: 1317-34-6 Harmonized Tariff Code:  2820.90 Hazard Statements: H301-H311-H332-H315-H319-H335 Toxic if swallowed. Toxic in contact with skin. Harmful if inhaled. Causes skin irritation.…

  • Mercaptoacetic acid sodium salt, 98%

    Alfa Aesar

    Synonym(s): Sodium mercaptoacetate, Sodium thioglycolate Formula: C2H3NaO2S Formula weight: 114.10 Purity: 98% CAS Number: 367-51-1 UN Number: UN3335 Hazard Class: 9 Harmonized Tariff Code:  2930.90 Hazard Statements: H302-H317 Harmful if swallowed. May cause an allergic…

  • Molecular sieves, 13X, powder

    Alfa Aesar

    CAS Number: 63231-69-6 Harmonized Tariff Code:  3824.90

  • Methylmercury(II) chloride, standard solution in H{2}O, Methylmercury(II)…

    Alfa Aesar

    Synonym(s): Chloromethylmercury Formula: CH3HgCl Formula weight: 251.08 CAS Number: 115-09-3 UN Number: UN2024 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2852.10 Hazard Statements: H300-H310-H330-H373 Fatal if swallowed. Fatal in contact with skin. Fatal…

  • Manganese(II) sulfate hydrate, Puratronic r, 99.999% (metals basis)

    Alfa Aesar

    Formula: MnSO4 xH2O Formula weight: 151.00(anhy) Purity: 99.999% (metals basis) CAS Number: 15244-36-7 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2833.29 Hazard Statements: H373 May cause damage to organs through prolonged or repeated…

  • Manganese(II) acetate tetrahydrate, Mn 22% (typical)

    Alfa Aesar

    Formula: C4H6MnO4 4H2O Formula weight: 245.09 (173.03anhy) CAS Number: 6156-78-1 Harmonized Tariff Code:  2915.29 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • 5-Methoxy-1-tetralone, 97%

    Alfa Aesar

    Formula: C11H12O2 Formula weight: 176.22 Purity: 97% CAS Number: 33892-75-0 Harmonized Tariff Code:  2914.50

  • Methyl Yellow, indicator

    Alfa Aesar

    Synonym(s): C.I. 11020, Dimethyl Yellow Formula: C14H15N3 Formula weight: 225.30 CAS Number: 60-11-7 UN Number: UN2811 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2927.00 Hazard Statements: H301-H351 Toxic if swallowed. Suspected of causing cancer. …

  • 2-Methoxyphenol, 98+%

    Alfa Aesar

    Synonym(s): Catechol monomethyl ether, Guaiacol Formula: C7H8O2 Formula weight: 124.14 Purity: 98+% CAS Number: 90-05-1 Harmonized Tariff Code:  2909.50 Hazard Statements: H302-H315-H319 Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. Precautionary…

  • Methotrexate disodium salt, 98.5%

    Alfa Aesar

    Formula: C20H20N8Na2O5 Formula weight: 498.40 Purity: 98.5% CAS Number: 7413-34-5 UN Number: UN2811 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2933.59 Hazard Statements: H301 Toxic if swallowed. Precautionary Statements: …

  • Mercury(II) sulfate, 98+%

    Alfa Aesar

    Synonym(s): Mercuric sulfate Formula: HgO4S Formula weight: 296.65 Purity: 98+% CAS Number: 7783-35-9 UN Number: UN1645 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2852.10 Hazard Statements: H300-H310-H330-H373 Fatal if swallowed. Fatal in contact with…

  • Mercury(II) sulfate, ACS, 98.0% min

    Alfa Aesar

    Formula: C11H9N3O Formula weight: 199.21 Purity: 97% UN Number: UN3439 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2934.99 Hazard Statements: H331-H302-H312-H315-H319-H335 Toxic if inhaled. Harmful if swallowed. Harmful in contact with skin. Causes skin…

  • Mercury(II) chloride, 98+%

    Alfa Aesar

    Synonym(s): Mercuric chloride Formula: HgCl2 Formula weight: 271.50 Purity: 98+% CAS Number: 7487-94-7 UN Number: UN1624 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2852.10 Hazard Statements: H300-H372-H341-H361-H314-H318 Fatal if swallowed. Causes…

  • Magnesium Aluminum Zinc foil, 1mm (0.04in) thick

    Alfa Aesar

    Formula: Mg Al Zn 96 3 1 wt Harmonized Tariff Code:  8104.90

  • 3-Methyl-1-butanol, ACS, 98.5+%

    Alfa Aesar

    Synonym(s): Isoamyl alcohol, Isopentanol Formula: (CH3)2CHCH2CH2OH Formula weight: 88.15 Purity: 98.5+% CAS Number: 123-51-3 UN Number: UN1105 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2905.19 Hazard Statements: H226-H332-H335 Flammable liquid and…

  • Magnesium, AAS standard solution, Specpure r, Mg 1000µg/ml

    Alfa Aesar

    Formula: Mg in 5 HNO3 UN Number: UN3264 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  3822.00 Hazard Statements: H314 Causes severe skin burns and eye damage. Precautionary Statements: P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501a Do not breathe…

  • Mitomycin C, 5 mg/ml in ethanol, sterile-filtered

    Alfa Aesar

  • Mercury(II) oxide, red, 99%

    Alfa Aesar

    Synonym(s): Mercuric oxide Formula: HgO Formula weight: 216.59 Purity: 99% CAS Number: 21908-53-2 UN Number: UN1641 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2852.10 Hazard Statements: H300-H310-H330-H373 Fatal if swallowed. Fatal in contact with…

  • Mercury, AAS standard solution, Specpure r, Hg 1000µg/ml

    Alfa Aesar

    Formula: Hg in 5 HNO3 UN Number: UN3264 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2852.10 Hazard Statements: H360-H314 May damage fertility or the unborn child. Causes severe skin burns and eye damage. Precautionary Statements: …

  • Malononitrile, 99%

    Alfa Aesar

    Synonym(s): Dicyanomethane, Propanedinitrile Formula: C3H2N2 Formula weight: 66.06 Purity: 99% CAS Number: 109-77-3 UN Number: UN2647 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2926.90 Hazard Statements: H301-H311-H331 Toxic if swallowed. Toxic in…

  • Murexide

    Alfa Aesar

    Synonym(s): Ammonium purpurate Formula: C8H8N6O6 Formula weight: 284.19 CAS Number: 3051-09-0 Harmonized Tariff Code:  2933.54

  • 4-Methoxybenzoylacetonitrile, 98%

    Alfa Aesar

    Formula: C10H9NO2 Formula weight: 175.19 Purity: 98% CAS Number: 3672-47-7 Packing Group: III Harmonized Tariff Code:  2926.90 Hazard Statements: H301-H315-H319-H335 Toxic if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • Methyl 4-tert-butylbenzoate, 98+%

    Alfa Aesar

    Synonym(s): 4-tert-Butylbenzoic acid methyl ester Formula: C12H16O2 Formula weight: 192.26 Purity: 98+% CAS Number: 26537-19-9 Harmonized Tariff Code:  2916.39

  • Magnesium perchlorate, anhydrous, ACS

    Alfa Aesar

    Formula: Mg(ClO4)2 Formula weight: 223.23 CAS Number: 10034-81-8 UN Number: UN1475 Hazard Class: 5.1 Packing Group: II Harmonized Tariff Code:  2829.90 Hazard Statements: H272-H315-H319-H335 May intensify fire; oxidizer. Causes skin irritation. Causes serious eye irritation.…

  • Manganese(II) sulfate monohydrate, 97%

    Alfa Aesar

    Formula: MnSO4 H2O Formula weight: 169.02 (151.00anhy) Purity: 97% CAS Number: 10034-96-5 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2833.29 Hazard Statements: H373 May cause damage to organs through prolonged or repeated exposure. …

  • Magnesium silicate monohydrate (Talc)

    Alfa Aesar

    Formula: 3MgO 4SiO2 H2O Formula weight: 379.28 (361.27anhy) CAS Number: 14807-96-6 Harmonized Tariff Code:  2839.90 Hazard Statements: H332 Harmful if inhaled. Precautionary Statements: P261-P271-P304+P340-P312 Avoid breathing dust/fume/gas/mist/vapours/spray. Use only outdoors or…

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